package com.sky.service.impl;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.sky.constant.MessageConstant;
import com.sky.context.BaseContext;
import com.sky.dto.SetmealDTO;
import com.sky.dto.SetmealPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.entity.Setmeal;
import com.sky.entity.SetmealDish;
import com.sky.mapper.DishMapper;
import com.sky.mapper.SetmealDishMapper;
import com.sky.mapper.SetmealMapper;
import com.sky.result.PageResult;
import com.sky.service.SetmealService;
import com.sky.vo.DishItemVO;
import com.sky.vo.SetmealVO;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.List;

@Service
@Slf4j
public class SetmealServiceimpl implements SetmealService {
    @Autowired
    private SetmealMapper setmealMapper;
    @Autowired
    private SetmealDishMapper setmealDishMapper;

    @Override
    public PageResult pageQuery(SetmealPageQueryDTO setmealPageQueryDTO) {
        PageHelper.startPage(setmealPageQueryDTO.getPage(),setmealPageQueryDTO.getPageSize());
        Page<Setmeal> page= setmealMapper.pageQuery(setmealPageQueryDTO);
        return new PageResult(page.getTotal(),page.getResult());
    }

    @Override
    public void saveWithDish(SetmealDTO setmealDTO) {
        Setmeal setmeal = new Setmeal();
        BeanUtils.copyProperties(setmealDTO,setmeal);
        setmeal.setCreateTime(LocalDateTime.now());
        setmeal.setUpdateTime(LocalDateTime.now());
        setmeal.setCreateUser(BaseContext.getCurrentId());
        setmeal.setUpdateUser(BaseContext.getCurrentId());
        setmealMapper.insert(setmeal);
        Long setmealId = setmeal.getId();//获取当前套餐id
        List<SetmealDish> setmealDishes = setmealDTO.getSetmealDishes();
        for (SetmealDish setmealDish : setmealDishes) {
            setmealDish.setSetmealId(setmealId);
        }
        setmealDishMapper.InsertBatches(setmealDishes);//批量插入套餐菜品关系数据
    }

    @Override
    public void delete(List<Long> ids) {
        setmealMapper.deleteById(ids);
    }

    @Override
    public SetmealVO getByIdWithDish(Long id) {
        List<SetmealDish> setmealDish=setmealDishMapper.getByIdWithDish(id);
        SetmealVO setmealVO=setmealMapper.getByIdWithDish(id);
        setmealVO.setSetmealDishes(setmealDish);
        return setmealVO;
    }

    @Override
    public void startOrStop(int status, long id) {
        setmealMapper.startOrStop(status,id);
    }

    @Override
    public void update(SetmealDTO setmealDTO) {
        Setmeal setmeal=new Setmeal();
        BeanUtils.copyProperties(setmealDTO,setmeal);
        setmeal.setUpdateUser(BaseContext.getCurrentId());
        setmeal.setUpdateTime(LocalDateTime.now());
        setmealMapper.update(setmeal);
        Long setmealId = setmealDTO.getId();//获取当前套餐id
        setmealDishMapper.deleteById(setmealId);//删除套餐菜品关系数据（先删后增，because List）
        List<SetmealDish> setmealDishes = setmealDTO.getSetmealDishes();
        for (SetmealDish setmealDish : setmealDishes) {
            setmealDish.setSetmealId(setmealId);
        }
        setmealDishMapper.InsertBatches(setmealDishes);//批量插入套餐菜品关系数据
    }

    /**
     * 条件查询
     * @param setmeal
     * @return
     */
    public List<Setmeal> list(Setmeal setmeal) {
        List<Setmeal> list = setmealMapper.list(setmeal);
        return list;
    }

    /**
     * 根据id查询菜品选项
     * @param id
     * @return
     */
    public List<DishItemVO> getDishItemById(Long id) {
        return setmealMapper.getDishItemBySetmealId(id);
    }
}
